DIVERSITY OF ANGIOSPERMS IN SADAR UPAZILA OF GAIBANDHA DISTRICT, BANGLADESH FOCUSING ON IMPORTANT MEDICINAL VALUES

Diversity of angiospermic flora at Sadar upazila of Gaibandha district, Bangladesh were carried out during July 2024 to June 2025. A comprehensive collection of angiosperms and a floristic analysis have been conducted over the research area. A total of 201 species belonging to 177 genera and 65 families were recorded.Habit analysis of plant shows that herbs, shrubs, climbers and trees are represented by 82,48,22 and 49 species,respectively.There is variability in the abundance of angiosperm species throughout the families.Asteraceae,Fabaceae,Apocynaceae,Amaranthaceae,Solanaceae,Araceae,Poaceae,Cucurbitaceae, Euphorbiaceae and Rutaceae are the most dominant families and represented by 19, 11, 10, 9,8, 8, 8, 7,7 and 7 species. 72 medicinal plants have been recorded with their uses for cure many diseases. Status of occurrence has been recorded for proper conservation, management and utilization of taxa in the research area, resulting in 64 species (31.84%) are very common, 118 species (58.70%) are common, 14 species (6.97%) are rare and 5 species (2.49%) are threatened. For each species botanical name, local name, family, habit, type, abundance, phenology and voucher number were documented. From 201 species, 27% species are wild and 73%species are planted were recorded.